Annual Percent
1960-01-01 9.7067600000000010000
1961-01-01 11.2362000000000000000
1962-01-01 9.8982500000000000000
1963-01-01 13.8563000000000000000
1964-01-01 13.8563000000000000000
1965-01-01 13.8563000000000000000
1966-01-01 13.8563000000000000000
1967-01-01 13.8563000000000000000
1968-01-01 13.8563000000000000000
1969-01-01 17.1540000000000000000
1970-01-01 19.7890000000000000000
1971-01-01 23.1752000000000000000
1972-01-01 25.1063000000000000000
1973-01-01 20.0905000000000000000
1974-01-01 20.4832000000000000000
1975-01-01 21.6194000000000000000
1976-01-01 20.0539000000000000000
1977-01-01 17.3375000000000000000
1978-01-01 13.7472000000000000000
1979-01-01 9.7795500000000000000
1980-01-01 5.1269200000000000000
1981-01-01 1.3435300000000000000
1982-01-01 0.0021390000000000000
1983-01-01 0.0020370000000000000
1984-01-01 0.0009720000000000001
1985-01-01 0.0009720000000000001
1986-01-01 0.0009720000000000001
1987-01-01 0.0009720000000000001
1988-01-01 0.0009720000000000001
1989-01-01 16.8044000000000000000
1990-01-01 30.8894000000000000000
1991-01-01 30.4464000000000000000
1992-01-01 27.2842000000000000000
1993-01-01 23.9945000000000000000
1994-01-01 21.7318000000000000000
1995-01-01 22.3007000000000000000
1996-01-01 20.1919000000000000000
1997-01-01 15.0387000000000000000
1998-01-01 14.1517000000000000000
1999-01-01 12.1097000000000000000
2000-01-01 13.1915000000000000000
2001-01-01 13.5663000000000000000
2002-01-01 12.3698000000000000000
2003-01-01 12.4135000000000000000
2004-01-01 13.7794000000000000000
2005-01-01 13.3046000000000000000
2006-01-01 12.2762000000000000000
2007-01-01 11.9008000000000000000
2008-01-01 12.4432000000000000000
2009-01-01 12.4370000000000010000
2010-01-01 13.7966000000000000000
2011-01-01 14.1774000000000000000
2012-01-01 13.3078000000000000000
2013-01-01 11.9259999999999980000
2014-01-01 10.9529000000000000000
2015-01-01 12.0902000000000000000
2016-01-01 13.5719000000000000000